1. Department of Cardiology, Eastbourne District General Hospital, East Sussex NHS Trust, Eastbourne, UK
2. Department of Cardiovascular Imaging, Barts Heart Centre, Barts Health NHS Trust, London, United Kingdom
3. Cardiology Clinical & Academic Group, St George's University of London, London, United Kingdom
4. Institute of Cardiovascular Science, University College London, London, United Kingdom
5. William Harvey Research, Institute, Queen Mary University, London, United Kingdom